(function () {
	$.fn.infiniteCarousel = function () {
		function repeat(str, n) {
			return new Array( n + 1 ).join(str);
		}
		
		return this.each(function () {
			// magic!
			var $wrapper = $('> div', this).css('overflow', 'hidden'),
				$slider = $wrapper.find('> ul').width(9999),
				$items = $slider.find('> li'),
				$single = $items.filter(':first')
				
				singleWidth = $single.outerWidth(),
				visible = Math.ceil($wrapper.innerWidth() / singleWidth),
				currentPage = 1,
				pages = Math.ceil($items.length / visible);
				
			/* TASKS */
			
			// 1. pad the pages with empty element if required
			if ($items.length % visible != 0) {
				// pad
				$slider.append(repeat('<li class="empty" />', visible - ($items.length % visible)));
				$items = $slider.find('> li');
			}
			
			// 2. create the carousel padding on left and right (cloned)
			$items.filter(':first').before($items.slice(-visible).clone().addClass('cloned'));
			$items.filter(':last').after($items.slice(0, visible).clone().addClass('cloned'));
			$items = $slider.find('> li');
			
			// 3. reset scroll
			$wrapper.scrollLeft(singleWidth * visible);
			
			// 4. paging function
			function gotoPage(page) {
				var dir = page < currentPage ? -1 : 1,
					n = Math.abs(currentPage - page),
					left = singleWidth * dir * visible * n;
				
				$wrapper.filter(':not(:animated)').animate({
					scrollLeft : '+=' + left
				}, 500, function () {
					// if page == last page - then reset position
					if (page > pages) {
						$wrapper.scrollLeft(singleWidth * visible);
						page = 1;
					} else if (page == 0) {
						page = pages;
						$wrapper.scrollLeft(singleWidth * visible * pages);
					}
					
					currentPage = page;
				});
			}
			
			// 5. insert the back and forward link
			$wrapper.after('<a href="#" class="arrow back"></a><a href="#" class="arrow forward"></a>');
			
			// 6. bind the back and forward links
			$('a.back', this).click(function () {
				gotoPage(currentPage - 1);
				return false;
			});
			
			$('a.forward', this).click(function () {
				gotoPage(currentPage + 1);
				return false;
			});
			
			$(this).bind('goto', function (event, page) {
				gotoPage(page);
			});
			
			// THIS IS NEW CODE FOR THE AUTOMATIC INFINITE CAROUSEL
			$(this).bind('next', function () {
				gotoPage(currentPage + 1);
			});
		});
	};
})(jQuery);

$(document).ready(function () {
	// THIS IS NEW CODE FOR THE AUTOMATIC INFINITE CAROUSEL
	var autoscrolling = true;
	
	$('.infiniteCarousel').infiniteCarousel().mouseover(function () {
		autoscrolling = false;
	}).mouseout(function () {
		autoscrolling = true;
	});
	
	setInterval(function () {
		if (autoscrolling) {
			$('.infiniteCarousel').trigger('next');
		}
	}, 5000);
});